# Sennheiser HD 250BT
See [usage instructions](https://github.com/jaakkopasanen/AutoEq#usage) for more options and info.

### Parametric EQs
You can use filters 1-5 or 1-10. Apply preamp of -5.7 dB or -5.7 dB, respectively.

|   # | Type      |   Fc (Hz) |    Q |   Gain (dB) |
|-----|-----------|-----------|------|-------------|
|   1 | LowShelf  |       105 | 0.7  |         7.6 |
|   2 | Peaking   |        72 | 0.44 |        -6.1 |
|   3 | Peaking   |       325 | 2.22 |         2.1 |
|   4 | Peaking   |      3711 | 4.89 |         3.4 |
|   5 | Peaking   |      4630 | 5.99 |        -2.6 |
|   6 | Peaking   |       605 | 3.15 |        -0.5 |
|   7 | Peaking   |      1367 | 5.95 |         1.4 |
|   8 | Peaking   |      1804 | 4.03 |        -0.9 |
|   9 | Peaking   |      9477 | 1.95 |        -1.5 |
|  10 | HighShelf |     10000 | 0.7  |        -1.3 |

### Fixed Band EQs
When using fixed band (also called graphic) equalizer, apply preamp of **-5.0 dB** (if available) and set gains manually with these parameters.

|   # | Type    |   Fc (Hz) |    Q |   Gain (dB) |
|-----|---------|-----------|------|-------------|
|   1 | Peaking |        31 | 1.41 |         5   |
|   2 | Peaking |        62 | 1.41 |        -0.1 |
|   3 | Peaking |       125 | 1.41 |        -2.4 |
|   4 | Peaking |       250 | 1.41 |        -0.7 |
|   5 | Peaking |       500 | 1.41 |         0.1 |
|   6 | Peaking |      1000 | 1.41 |         0.1 |
|   7 | Peaking |      2000 | 1.41 |        -0.3 |
|   8 | Peaking |      4000 | 1.41 |         1.2 |
|   9 | Peaking |      8000 | 1.41 |        -1.4 |
|  10 | Peaking |     16000 | 1.41 |        -3.5 |

### Graphs
![](./Sennheiser%20HD%20250BT.png)
